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Effects of Urbanization on the Magnitude and Frequency of Floods on Small Streams in Tennessee.
| 题名： | Effects of Urbanization on the Magnitude and Frequency of Floods on Small Streams in Tennessee. |
| 作者： | robbins, c. h. |
| 关键词： | frequency, tennessee, runoff, streams, urban areas |
| 摘要： | Engineers involved in bridge, culvert, and highway design often need to know the magnitude and frequency of discharge from small streams where the drainage basin is urbanized. To develop reliable methods for determining the frequency of floods on small streams in Tennessee where urbanization is a factor, considerable amounts of runoff data are needed. However, long-term runoff data from urban areas in Tennessee have not been collected except in large urban areas. To improve the reliability of estimating flood peaks in all urban areas of Tennessee, the U.S. Geological Survey and the Tennessee Department of Transportation began a program in July 1977 to collect concurrent rainfall-runoff data on streams draining less than about 25 square miles in urban areas with populations between 5,000 and 100,000. These rainfall-runoff data will be used to calibrate a U.S. Geological Survey Rainfall-Runoff Model to estimate synthetic urban flood data statewide. / NOTE: Basic data rept. / Supplementary Notes: Prepared in cooperation with the Tennessee Dept. of Transportation and the U.S. Dept of Transportation, Federal Highway Administration. / Availability Note: Product reproduced from digital image. Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0713；36p |
| 报告类型： | 科技报告 |
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